Free local MIDI idea generator

Generate. Lock. Mutate.

Start a scale-aware MIDI pattern from nothing, keep the parts that land, and reshape only the rest.

01 Set direction 02 Generate a pattern 03 Lock what works 04 Mutate and export

Direction

Set the musical boundaries

Every result is created locally. No account, uploads, or cloud generation.

Quick starters

Current idea

Nothing generated yet

Choose a direction, then generate.
Your generated MIDI pattern will appear here.
Note Bar divisionOne visual phrase shown; export contains the full selected length.

Free piano roll: Click an empty grid cell to add a scale-safe note. Drag a note to move it, or drag its right edge to resize it.

Controlled chaos

Lock the parts you want to keep

Locked dimensions carry into the next result. Unlocked ones get a fresh variation.

Ready when you are.

Free scope: melody, bass, chords, and arps; style starters, register and rhythm controls; an editable piano roll with undo/redo; local audition; and MIDI export. Multi-track generation, arrangement mode, and saved projects remain Pro territory.